EP3468042A4 - Conversion module and conversion circuit - Google Patents
Conversion module and conversion circuit Download PDFInfo
- Publication number
- EP3468042A4 EP3468042A4 EP17908100.5A EP17908100A EP3468042A4 EP 3468042 A4 EP3468042 A4 EP 3468042A4 EP 17908100 A EP17908100 A EP 17908100A EP 3468042 A4 EP3468042 A4 EP 3468042A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- conversion
- module
- circuit
- conversion circuit
- conversion module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000006243 chemical reaction Methods 0.000 title 2
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
- H03M3/45—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedforward inputs, i.e. with forward paths from the modulator input to more than one filter stage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
- H03M3/452—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
- H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/456—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a first order loop filter in the feedforward path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
- H03M3/46—Analogue/digital converters using delta-sigma modulation as an intermediate step using a combination of at least one delta-sigma modulator in series with at least one analogue/digital converter of a different type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
- H03M3/462—Details relating to the decimation process
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M7/3026—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2017/096472 WO2019028681A1 (en) | 2017-08-08 | 2017-08-08 | Conversion module and conversion circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3468042A1 EP3468042A1 (en) | 2019-04-10 |
EP3468042A4 true EP3468042A4 (en) | 2019-07-24 |
Family
ID=65273117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17908100.5A Withdrawn EP3468042A4 (en) | 2017-08-08 | 2017-08-08 | Conversion module and conversion circuit |
Country Status (4)
Country | Link |
---|---|
US (1) | US10566986B2 (en) |
EP (1) | EP3468042A4 (en) |
CN (1) | CN109644004B (en) |
WO (1) | WO2019028681A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050122241A1 (en) * | 2003-12-05 | 2005-06-09 | Magrath Anthony J. | Word length reduction circuit |
US6958717B1 (en) * | 2003-08-25 | 2005-10-25 | Analog Devices, Inc. | Method and apparatus for interconnecting analog and digital sections of A/D and D/A converters |
US7978113B2 (en) * | 2009-09-10 | 2011-07-12 | National Semiconductor Corporation | Analog-to-digital converter having output data with reduced bit-width and related system and method |
US20160309274A1 (en) * | 2013-12-02 | 2016-10-20 | Suzhou Sonavox Electronics Co., Ltd. | Implementation method and device of multi-bit modulation-based digital speaker system |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0759233A1 (en) * | 1994-05-11 | 1997-02-26 | Analog Devices, Inc. | Digital-to-digital conversion using nonuniform sample rates |
US5731769A (en) * | 1995-12-04 | 1998-03-24 | Motorola, Inc. | Multi-rate digital filter apparatus and method for sigma-delta conversion processes |
US7158566B2 (en) * | 2000-07-24 | 2007-01-02 | Eric Morgan Dowling | High-speed adaptive interconnect architecture with nonlinear error functions |
US6839010B1 (en) * | 2002-12-27 | 2005-01-04 | Zilog, Inc. | Sigma-delta analog-to-digital converter with reduced quantization noise |
KR20060014028A (en) * | 2003-03-28 | 2006-02-14 | 이에스에스 테크놀로지, 인크. | Bi-quad digital filter configured with a bit binary rate multiplier |
DE102005057768B4 (en) * | 2005-12-02 | 2012-01-12 | Xignal Technologies Ag | Time-continuous delta-sigma analog-to-digital converter |
JP2009290455A (en) * | 2008-05-28 | 2009-12-10 | Toshiba Corp | Dem system, delta-sigma a/d converter, and receiver |
TWI398104B (en) * | 2009-12-30 | 2013-06-01 | Univ Nat Taiwan | Modulator with loop-delay compensation |
US8665126B2 (en) * | 2010-12-08 | 2014-03-04 | National Semiconductor Corporation | ΣΔ difference-of-squares LOG-RMS to DC converter with forward and feedback paths signal squaring |
TW201246804A (en) * | 2011-05-05 | 2012-11-16 | Univ Nat Taiwan | Delta-sigma ADC modulator with excess loop delay compensation |
EP2904963B1 (en) * | 2014-02-06 | 2017-01-25 | IMEC vzw | System and method for acquisition of biopotential signals with motion artifact reduction in real time operation |
US9401728B2 (en) * | 2014-12-16 | 2016-07-26 | Freescale Semiconductor, Inc. | Test signal generator for sigma-delta ADC |
CN104581589B (en) * | 2014-12-31 | 2018-01-02 | 苏州上声电子有限公司 | Channel status choosing method and device based on tri-state coding |
EP3278457B1 (en) * | 2015-04-01 | 2021-01-06 | TDK Corporation | Sigma-delta modulator arrangement, method and control apparatus for calibrating a continuous-time sigma-delta modulator |
US9742430B1 (en) * | 2016-08-19 | 2017-08-22 | Infineon Technologies Ag | System and method for analog to digital conversion |
US10608852B2 (en) * | 2017-11-14 | 2020-03-31 | Cable Television Laboratories, Inc | Systems and methods for delta-sigma digitization |
US10348326B2 (en) * | 2017-10-23 | 2019-07-09 | Infineon Technologies Ag | Digital silicon microphone with interpolation |
-
2017
- 2017-08-08 EP EP17908100.5A patent/EP3468042A4/en not_active Withdrawn
- 2017-08-08 CN CN201780000892.7A patent/CN109644004B/en active Active
- 2017-08-08 WO PCT/CN2017/096472 patent/WO2019028681A1/en unknown
-
2018
- 2018-11-02 US US16/179,405 patent/US10566986B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6958717B1 (en) * | 2003-08-25 | 2005-10-25 | Analog Devices, Inc. | Method and apparatus for interconnecting analog and digital sections of A/D and D/A converters |
US20050122241A1 (en) * | 2003-12-05 | 2005-06-09 | Magrath Anthony J. | Word length reduction circuit |
US7978113B2 (en) * | 2009-09-10 | 2011-07-12 | National Semiconductor Corporation | Analog-to-digital converter having output data with reduced bit-width and related system and method |
US20160309274A1 (en) * | 2013-12-02 | 2016-10-20 | Suzhou Sonavox Electronics Co., Ltd. | Implementation method and device of multi-bit modulation-based digital speaker system |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019028681A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN109644004B (en) | 2023-05-26 |
US10566986B2 (en) | 2020-02-18 |
US20190074843A1 (en) | 2019-03-07 |
CN109644004A (en) | 2019-04-16 |
WO2019028681A1 (en) | 2019-02-14 |
EP3468042A1 (en) | 2019-04-10 |
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